Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 03-08-2020 and time 05:01:40 (Italy) in region 7 km W Montegallo (AP)

A magnitude ML 1.5 earthquake occured in region: 7 km W Montegallo (AP), on

  • 03-08-2020 03:01:40 (UTC)
  • 03-08-2020 05:01:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8320, 13.2460 at 16 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montegallo AP 7 523 523
Arquata del Tronto AP 8 1178 1701
Montemonaco AP 10 604 2305
Castelsantangelo sul Nera MC 10 281 2586
Norcia PG 13 4957 7543
Montefortino FM 15 1178 8721
Acquasanta Terme AP 15 2916 11637
Accumoli RI 15 667 12304
Ussita MC 15 444 12748
Visso MC 17 1107 13855
Preci PG 18 724 14579
Bolognola MC 18 142 14721
Amandola FM 19 3629 18350
Palmiano AP 19 196 18546
Roccafluvione AP 19 2010 20556
Comunanza AP 20 3166 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
57 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km S of Ancona (100861 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.5 2020-08-03
03:01:40		 42.8317 13.2462 16 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83005311
Reviewed
Rev100 		ML 1.5 2020-08-03
03:01:40		 42.8328 13.2438 16 2020-08-03
03:09:21		 Sala Sismica INGV-Roma 81599811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-03 03:01:40 ± 0.07
Latitude 42.8317 ± 0.0027
Longitude 13.2462 ± 0.0037
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83005311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.70237
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 81599811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-03 03:09:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 83005311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-01 15:06:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-08-03T03:02:04.45 0.1 undecidable manual S 342 77.9664 94 0.62 77
IV.ATCC.EHZ. 2020-08-03T03:02:00.63 0.1 undecidable manual S 309 62.8926 95 0.8 73
IV.EL6.EHZ. 2020-08-03T03:01:58.47 0.3 undecidable manual S 348 56.3991 96 0.36 65
IV.ASSB.HHZ. 2020-08-03T03:01:57.56 0.1 undecidable manual S 296 53.1024 96 0.32 87
IV.ARRO.EHZ. 2020-08-03T03:01:56.04 0.1 undecidable manual S 235 48.1185 97 0.13 92
IV.RM33.EHZ. 2020-08-03T03:01:53.07 0.1 undecidable manual S 184 35.8419 101 0.39 89
IV.MNTT.EHZ. 2020-08-03T03:01:53.79 0.1 undecidable manual S 48 38.2284 100 0.5 86
IV.ARVD.HHZ. 2020-08-03T03:01:53.93 0.1 undecidable manual P 342 77.9664 94 -0.05 88
IV.MML1.HNE. 2020-08-03T03:01:53.16 0.1 undecidable manual S 325 38.4282 100 -0.18 92
IV.CESI.HHZ. 2020-08-03T03:01:52.18 0.1 undecidable manual S 305 33.744 102 0.06 95
IV.CAMP.HHZ. 2020-08-03T03:01:52.51 0.1 undecidable manual S 158 35.4423 101 -0.04 95
IV.GAVE.EHZ. 2020-08-03T03:01:52.04 0.1 undecidable manual S 242 32.5452 103 0.23 92
IV.TERO.HHZ. 2020-08-03T03:01:52.87 0.1 undecidable manual S 128 37.2294 100 -0.16 92
IV.SAP2.EHE. 2020-08-03T03:01:51.98 0.3 undecidable manual S 23 31.9458 103 0.34 68
IV.ATCC.EHZ. 2020-08-03T03:01:51.40 0.1 positive manual P 309 62.8926 95 -0.27 86
IV.EL6.EHZ. 2020-08-03T03:01:51.15 0.1 undecidable manual P 348 56.3991 96 0.47 84
IV.LNSS.HHZ. 2020-08-03T03:01:51.64 0.1 undecidable manual S 214 30.4473 104 0.38 90
IT.MTCL.HGZ. 2020-08-03T03:01:50.10 0.1 undecidable manual S 312 26.9508 107 -0.26 93
IV.GUMA.HHZ. 2020-08-03T03:01:50.53 0.1 undecidable manual S 16 26.6511 107 0.25 93
IV.CSP1.EHZ. 2020-08-03T03:01:50.57 0.1 undecidable manual S 353 29.0487 105 -0.33 91
IV.MF5.EHZ. 2020-08-03T03:01:50.12 0.1 undecidable manual S 45 24.5532 109 0.37 91
IV.SMA1.EHZ. 2020-08-03T03:01:49.47 0.1 undecidable manual S 162 23.4543 111 -0.01 98
IV.T1299.HNZ. 2020-08-03T03:01:49.53 0.1 undecidable manual S 172 22.0668 112 0.39 91
IV.FDMO.HHZ. 2020-08-03T03:01:49.59 0.1 undecidable manual S 330 26.1516 108 -0.56 86
IV.ARRO.EHZ. 2020-08-03T03:01:49.46 0.1 undecidable manual P 235 48.1185 97 0.05 93
IV.ASSB.HHZ. 2020-08-03T03:01:49.80 0.1 positive manual P 296 53.1024 96 -0.37 86
IV.OFFI.HHZ. 2020-08-03T03:01:48.24 0.1 positive manual P 72 37.5291 100 0.45 88
IV.FEMA.HNZ. 2020-08-03T03:01:48.91 0.3 undecidable manual S 312 21.5673 113 -0.1 73
IV.MNTP.HNZ. 2020-08-03T03:01:48.21 0.3 undecidable manual P 28 38.4282 100 0.28 68
IV.MNTT.EHZ. 2020-08-03T03:01:48.14 0.1 negative manual P 48 38.2284 100 0.25 91
IV.CAMP.HHZ. 2020-08-03T03:01:47.11 0.1 positive manual P 158 35.4423 101 -0.36 89
IV.GAVE.EHZ. 2020-08-03T03:01:47.05 0.1 undecidable manual P 242 32.5452 103 0.01 97
IV.MML1.HNE. 2020-08-03T03:01:47.52 0.1 undecidable manual P 325 38.4282 100 -0.4 88
IV.TERO.HHZ. 2020-08-03T03:01:47.33 0.1 positive manual P 128 37.2294 100 -0.42 87
IV.RM33.EHZ. 2020-08-03T03:01:47.41 0.1 undecidable manual P 184 35.8419 101 -0.13 93
IV.MTRA.HNZ. 2020-08-03T03:01:47.23 0.1 undecidable manual S 124 14.7741 127 -0.21 96
IV.LNSS.HHZ. 2020-08-03T03:01:46.69 0.1 positive manual P 214 30.4473 104 -0.03 96
IV.NRCA.HHZ. 2020-08-03T03:01:46.69 0.1 undecidable manual S 271 10.6782 138 0.06 98
IV.CESI.HHZ. 2020-08-03T03:01:46.98 0.1 positive manual P 305 33.744 102 -0.24 92
IV.SAP2.EHE. 2020-08-03T03:01:46.85 0.3 undecidable manual P 23 31.9458 103 -0.1 71
IV.GUMA.HHZ. 2020-08-03T03:01:46.00 0.1 negative manual P 16 26.6511 107 -0.16 94
IV.MMO1.EHZ. 2020-08-03T03:01:46.26 0.1 undecidable manual S 41 9.9789 140 -0.24 97
IV.MC2.EHZ. 2020-08-03T03:01:46.80 0.1 undecidable manual S 332 9.9789 140 0.29 93
IV.CSP1.EHZ. 2020-08-03T03:01:46.10 0.1 negative manual P 353 29.0487 105 -0.42 89
IV.FDMO.HHZ. 2020-08-03T03:01:45.67 0.1 undecidable manual P 330 26.1516 108 -0.42 89
IV.MF5.EHZ. 2020-08-03T03:01:45.80 0.1 negative manual P 45 24.5532 109 -0.05 97
IT.MTCL.HGZ. 2020-08-03T03:01:45.88 0.1 undecidable manual P 312 26.9508 107 -0.32 91
IV.FEMA.HNZ. 2020-08-03T03:01:45.25 0.3 undecidable manual P 312 21.5673 113 -0.17 71
IV.SMA1.EHZ. 2020-08-03T03:01:45.53 0.1 undecidable manual P 162 23.4543 111 -0.17 95
IV.T1299.HNZ. 2020-08-03T03:01:45.62 0.1 positive manual P 172 22.0668 112 0.12 96
IV.MTRA.HNZ. 2020-08-03T03:01:44.35 0.1 positive manual P 124 14.7741 127 -0.17 96
IV.MC2.EHZ. 2020-08-03T03:01:44.00 0.1 negative manual P 332 9.9789 140 0.02 100
IV.NRCA.HHZ. 2020-08-03T03:01:44.01 0.1 positive manual P 271 10.6782 138 -0.04 100
IV.MMO1.EHZ. 2020-08-03T03:01:43.73 0.1 negative manual P 41 9.9789 140 -0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.1 0.0011675687 0.12 AML other m 2020-08-03T03:01:46.83
IV.NRCA.HNN. ML:1.7 0.00041721390000000003 0.0688 AML other m 2020-08-03T03:01:46.85
IV.NRCA.HHN. ML:1.8 0.0005493279500000001 0.0592 AML other m 2020-08-03T03:01:46.85
IV.NRCA.HHE. ML:2.1 0.0012587259 0.12 AML other m 2020-08-03T03:01:46.83
IV.SMA1.EHE. ML:1.1 0.000066151125 0.1008 AML other m 2020-08-03T03:01:50.10
IV.SMA1.EHN. ML:1.3 0.00011740729999999999 0.2208 AML other m 2020-08-03T03:01:49.78
IV.FDMO.HHE. ML:1.2 0.00008502584 0.12 AML other m 2020-08-03T03:01:49.96
IV.FDMO.HHN. ML:1.7 0.00023322165000000001 0.16 AML other m 2020-08-03T03:01:50.17
IV.MF5.EHE. ML:1.6 0.000199630145 0.28 AML other m 2020-08-03T03:01:50.52
IV.MF5.EHN. ML:1.4 0.00014294308 0.44 AML other m 2020-08-03T03:01:50.57
IV.GUMA.HNN. ML:2.7 0.0024089454999999997 2.6896 AML other m 2020-08-03T03:01:46.92
IV.GUMA.HHN. ML:1.6 0.0001793415 0.4592 AML other m 2020-08-03T03:01:51.07
IV.GUMA.HNE. ML:1.6 0.0001815035 0.4208 AML other m 2020-08-03T03:01:50.71
IV.GUMA.HHE. ML:1.7 0.00026936550000000004 0.2608 AML other m 2020-08-03T03:01:50.74
IV.LNSS.HHE. ML:1.3 0.00008418471500000001 0.2608 AML other m 2020-08-03T03:01:51.92
IV.LNSS.HHN. ML:1.4 0.000112535085 0.24 AML other m 2020-08-03T03:01:51.88
IV.CESI.HHE. ML:1.4 0.000110864165 0.24 AML other m 2020-08-03T03:01:52.65
IV.CESI.HHN. ML:1.6 0.000151274315 0.16 AML other m 2020-08-03T03:01:52.67
IV.GAVE.EHE. ML:1.6 0.0001613424 0.1792 AML other m 2020-08-03T03:01:52.83
IV.GAVE.EHN. ML:1.5 0.00012361125 0.1808 AML other m 2020-08-03T03:01:52.76
IV.CAMP.HHE. ML:1.0 0.000037351040000000005 0.3008 AML other m 2020-08-03T03:01:52.85
IV.CAMP.HHN. ML:0.9 0.000027975569999999998 0.32 AML other m 2020-08-03T03:01:52.88
IV.TERO.HHE. ML:1.1 0.000044267385 0.36 AML other m 2020-08-03T03:01:53.15
IV.TERO.HNE. ML:1.4 0.000097569765 0.5104 AML other m 2020-08-03T03:01:59.55
IV.TERO.HHN. ML:1.2 0.000062295735 0.3792 AML other m 2020-08-03T03:01:53.04
IV.MNTT.EHE. ML:1.6 0.000132770935 0.4192 AML other m 2020-08-03T03:01:54.92
IV.MNTT.EHN. ML:1.7 0.00016149565 0.1392 AML other m 2020-08-03T03:01:55.39
IV.OFFI.HHN. ML:1.7 0.00016026285 0.6592 AML other m 2020-08-03T03:01:55.49
IV.ASSB.HHN. ML:1.2 0.000036430425000000005 0.1792 AML other m 2020-08-03T03:01:57.86
IV.ASSB.HHE. ML:1.3 0.000051563055 0.28 AML other m 2020-08-03T03:01:57.78
IV.ATCC.EHN. ML:1.3 0.000033597535 0.3808 AML other m 2020-08-03T03:02:01.08
IV.ATCC.EHE. ML:1.3 0.00003528898 0.6 AML other m 2020-08-03T03:02:00.77
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download